<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/css-text-4/#propdef-white-space">
<link rel="help" href="https://drafts.csswg.org/css-text-4/#propdef-text-wrap">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<style>
.balance {
  text-wrap: balance;
}
</style>
<div id="balance" class="balance"></div>
<script>
test(() => {
  const target = document.getElementById('balance');
  assert_equals(getComputedStyle(target).textWrap, 'balance');
}, "`text-wrap: balance` should be set");
</script>

<style>
#text-wrap-after-white-space {
  white-space: normal;
  text-wrap: balance;
}
</style>
<div id="text-wrap-after-white-space"></div>
<script>
test(() => {
  const target = document.getElementById('text-wrap-after-white-space');
  assert_equals(getComputedStyle(target).textWrap, 'balance');
}, "`text-wrap` should not be affected by previous `white-space`");
</script>

<style>
#white-space-after-text-wrap-balance {
  text-wrap: balance;
  white-space: normal;
}
</style>
<div id="white-space-after-text-wrap-balance"></div>
<script>
test(() => {
  const target = document.getElementById('white-space-after-text-wrap-balance');
  assert_equals(getComputedStyle(target).textWrap, 'balance');
}, "`white-space` should not overwrite previous `text-wrap-style: balance`");
</script>

<style>
#white-space-after-text-wrap-nowrap {
  text-wrap: nowrap balance;
  white-space: normal;
}
</style>
<div id="white-space-after-text-wrap-nowrap"></div>
<script>
test(() => {
  const target = document.getElementById('white-space-after-text-wrap-nowrap');
  assert_equals(getComputedStyle(target).textWrap, 'balance');
}, "`white-space` should overwrite previous `text-wrap-mode: nowrap`");
</script>

<style>
.normal {
  white-space: normal;
}
</style>
<div class="normal">
  <div id="parent-white-space" class="balance"></div>
</div>
<script>
test(() => {
  const target = document.getElementById('parent-white-space');
  assert_equals(getComputedStyle(target).textWrap, 'balance');
}, "`text-wrap` should not be affected by `white-space` on the parent");
</script>

<div style="text-wrap: balance nowrap;">
  <div id="parent-text-wrap" class="normal"></div>
</div>
<script>
test(() => {
  const target = document.getElementById('parent-text-wrap');
  assert_equals(getComputedStyle(target).textWrap, 'balance');
}, "`white-space` should overwrite `text-wrap-mode` on the parent");
</script>
